Show:
Water Cycle
Ocean Water
Fresh Water
Clean Water
Essays
100
Water is a gas state
What is water vapor
100
An up and down movement of water is called ___________
What is a wave
100
The water in rivers, lakes, and streams is called__________
What is fresh water
100
Passing a liquid through materials that remove impurities is called __________________
What is filtration
100
Compare deep ocean currents and surface currents.
Both deep ocean and surface currents are ways in which the ocean water moves. Deep ocean currents are formed in cold water and are streams through the ocean, whereas waves are on the surface and move in a circular pattern.
200
the tiny drops of condensed water in the atmosphere
What is a cloud
200
The rise and fall of ocean water levels is called ________
What is a tide
200
The upper area of ground water is called_______
What is water table
200
Fixing leaky faucets and taking short showers are just two methods of _________________
What is water conservation
200
What are the parts of a wave? How are waves measured?
The parts of the wave are the crest and the trough. A wave is measured by it's wavelength.
300
Water in the atmosphere that falls to the earth
What is precipitation
300
A place where salt water and fresh water meet is called an _______
What is an estuary
300
Water that is stored in the cracks and spaces of underground rock is called _____________
What is groundwater
300
Wastes from industry, farming, and humans are the main sources of water ______________
What is pollution
300
How do plants move water from the ground and into the air?
Plants release water vapor through pores in their leaves in a process called transpiration.
400
Particles of water go through the process of evaporation as they absorb __________
What is heat energy
400
Large sheets of ice that cover large areas of land are called ____________________
What are ice caps
400
A way of getting water into the soil by artificial means is called _________________
What is irrigation
400
The place where water is cleaned and made usable again is called ___________
What is a water treatment plant
400
Your family visits a beach that your mother used to visit when she was little. When you arrive, your mother says the beach is not as wide as she remembers it. What may have happened to change the beach?
The island could have been eroded by the ocean water.
500
Describe the water cycle
The water cycle includes evaporation, condensation, and precipitation. Evaporation is when water turns into water vapor as it absorbs heat energy. Condensation is when the water vapor collects in the atmosphere and turns back into a liquid. Precipitation is when the condensed water in clouds falls back to the earth.
500
Ocean tides are caused by _____________________
What is the pull of gravity between the sun, earth, and moon.
500
If water can be cleaned at water treatment plants, why is it important not to pollute it?
Water purification is a long and expensive process.
500
You have t hree different types of soil in your shed. You want to find out which type is most porous. In testing the soils, what variables will you need to control?
The amount of each soil and the amount of water poured into each soil should be the same for a fair test.